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Kauai County, HI Property Tax Calculator

Kauai County homeowners pay a median $1,866 a year in property tax, 0.21% of a median $873,200 home: below Hawaii's 0.27% and the national 0.94%.

At an effective rate of 0.21%, a $873,200 home pays about $1,869 a year in property tax, $156 a month.

Property tax a year
$1,869
A month (for escrow)
$156
Effective rate on the home
0.21%

Property tax in Kauai County by home value, at 0.21%

Home valueA yearA month
$200,000$428$36
$300,000$642$54
$400,000$856$71
$500,000$1,070$89
$750,000$1,605$134
$1,000,000$2,140$178

Kauai County against Hawaii and the US

Effective rateMedian taxMedian home valueMedian household income
Kauai County0.21%$1,866$873,200$97,668
Hawaii0.27%$2,239$839,100$100,389
United States0.94%$3,119$332,700$80,734

How this calculator works

Median real estate taxes paid ÷ median home value in Kauai County, from the Census Bureau's American Community Survey 2020–2024 5-year estimates. The calculator starts at the county's median home value and rate.

What it assumes

  • Cities, school districts and special districts within the county levy different rates, so bills vary within it.
  • Survey figures cover 2020 to 2024 and lag recent reassessments.

Questions people ask

What is the property tax rate in Kauai County?

The effective rate is 0.21%: a median $1,866 a year on a median $873,200 home. That's the 3rd highest of the 4 Hawaii counties we cover.

How much is property tax on a $400,000 house in Kauai County?

About $856 a year, $71 a month, at the county's effective rate, before any exemption.

How does Kauai County compare with the rest of Hawaii?

Its rate is below the state's 0.27%. Across Hawaii, covered counties range from 0.16% to 0.28%.

How do I lower my Kauai County property tax?

Apply for every exemption you qualify for, such as a homestead exemption, and appeal your assessment if it is higher than comparable homes sold nearby; the county assessor explains the deadlines.

Other Hawaii counties

Related calculators

  • Hawaii Property Tax CalculatorHawaii homeowners pay a median $2,239 a year in property tax, 0.27% of a median $839,100 home: the 51st highest effective rate of the 50 states and DC.
  • Hawaii Mortgage CalculatorYour monthly mortgage payment in Hawaii, with Hawaii's effective property tax rate (0.27%) built in, at this week's average rate. The calculator starts at the state's median home value, $839,100.
  • Home Affordability CalculatorThe home price your income supports under the 28/36 guideline lenders use, counting your other debts, down payment, taxes and insurance, at this week's average rate.

Sources

Updated by the RateHerald team. The maths is tested against worked examples; report a problem.